chore: Disable dependabot (#363)

As of now there still is no way to disable dependabot for forked
repositories and it produces a lot of noise.

Signed-off-by: Khosrow Moossavi <khos2ow@gmail.com>

.github/dependabot.yaml

@@ -1,15 +0,0 @@
-version: 2
-updates:
-  - package-ecosystem: gomod
-    directory: "/"
-    schedule:
-      interval: daily
-    open-pull-requests-limit: 10
-  - package-ecosystem: "docker"
-    directory: "/"
-    schedule:
-      interval: "daily"
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"